CN1251176C - 包括至少一个编码器的传输系统 - Google Patents

包括至少一个编码器的传输系统 Download PDF

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Publication number
CN1251176C
CN1251176C CNB031487696A CN03148769A CN1251176C CN 1251176 C CN1251176 C CN 1251176C CN B031487696 A CNB031487696 A CN B031487696A CN 03148769 A CN03148769 A CN 03148769A CN 1251176 C CN1251176 C CN 1251176C
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CN
China
Prior art keywords
coefficient
predictive coefficient
predictive
reflection
reflection coefficient
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CNB031487696A
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English (en)
Chinese (zh)
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CN1516496A (zh
Inventor
R·霍夫曼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Publication of CN1516496A publication Critical patent/CN1516496A/zh
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H21/0043—Adaptive algorithms

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CNB031487696A 1993-05-05 1994-05-02 包括至少一个编码器的传输系统 Expired - Fee Related CN1251176C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4314921 1993-05-05
DEP4314921.9 1993-05-05

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN94190264A Division CN1131508C (zh) 1993-05-05 1994-05-02 包括至少一个编码器的传输系统

Publications (2)

Publication Number Publication Date
CN1516496A CN1516496A (zh) 2004-07-28
CN1251176C true CN1251176C (zh) 2006-04-12

Family

ID=6487280

Family Applications (3)

Application Number Title Priority Date Filing Date
CNB031487696A Expired - Fee Related CN1251176C (zh) 1993-05-05 1994-05-02 包括至少一个编码器的传输系统
CN94190265A Expired - Lifetime CN1113332C (zh) 1993-05-05 1994-05-02 包括至少一个编码器的传输系统
CN94190264A Expired - Fee Related CN1131508C (zh) 1993-05-05 1994-05-02 包括至少一个编码器的传输系统

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN94190265A Expired - Lifetime CN1113332C (zh) 1993-05-05 1994-05-02 包括至少一个编码器的传输系统
CN94190264A Expired - Fee Related CN1131508C (zh) 1993-05-05 1994-05-02 包括至少一个编码器的传输系统

Country Status (13)

Country Link
US (2) US5751902A (ja)
EP (2) EP0649558B1 (ja)
JP (2) JP3509861B2 (ja)
KR (2) KR100346963B1 (ja)
CN (3) CN1251176C (ja)
CA (2) CA2137925C (ja)
DE (2) DE69420221T2 (ja)
ES (2) ES2138076T3 (ja)
HK (2) HK1012750A1 (ja)
RU (2) RU2138030C1 (ja)
SG (1) SG55188A1 (ja)
UA (2) UA41893C2 (ja)
WO (2) WO1994025960A1 (ja)

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JP3522012B2 (ja) * 1995-08-23 2004-04-26 沖電気工業株式会社 コード励振線形予測符号化装置
US6088445A (en) * 1997-08-01 2000-07-11 Crystal Semiconductor Corp. Adaptive filter system having mixed fixed point or floating point and block scale floating point operators
US5905659A (en) * 1997-10-07 1999-05-18 Rose; Ralph E. Training a recursive filter by use of derivative function
US5974434A (en) * 1997-10-07 1999-10-26 Ralph E. Rose Method and apparatus for automatically tuning the parameters of a feedback control system
US6012025A (en) * 1998-01-28 2000-01-04 Nokia Mobile Phones Limited Audio coding method and apparatus using backward adaptive prediction
US6014093A (en) * 1998-02-27 2000-01-11 Hayes; Adam T. Pulse coding system
DE19824104B4 (de) * 1998-04-27 2009-12-24 Abb Research Ltd. Nichtlinearer Widerstand mit Varistorverhalten
DE19845888A1 (de) * 1998-10-06 2000-05-11 Bosch Gmbh Robert Verfahren zur Codierung oder Decodierung von Sprachsignalabtastwerten sowie Coder bzw. Decoder
EP1186100A2 (en) * 2000-01-07 2002-03-13 Koninklijke Philips Electronics N.V. Generating coefficients for a prediction filter in an encoder
JP3748261B2 (ja) * 2003-06-17 2006-02-22 沖電気工業株式会社 Ａｄｐｃｍ方式復号器
CN101494460B (zh) * 2003-09-02 2012-07-11 日本电信电话株式会社 浮点信号的编码方法、解码方法及其编码器、解码器
DE102004007185B3 (de) * 2004-02-13 2005-06-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Prädiktives Codierungsschema
US7392195B2 (en) * 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
US7961890B2 (en) 2005-04-15 2011-06-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Multi-channel hierarchical audio coding with compact side information
US7734466B2 (en) * 2005-06-20 2010-06-08 Motorola, Inc. Reduced complexity recursive least square lattice structure adaptive filter by means of limited recursion of the backward and forward error prediction squares
DE102005039621A1 (de) * 2005-08-19 2007-03-01 Micronas Gmbh Verfahren und Vorrichtung zur adaptiven Reduktion von Rausch- und Hintergrundsignalen in einem sprachverarbeitenden System
US8195462B2 (en) * 2006-02-16 2012-06-05 At&T Intellectual Property Ii, L.P. System and method for providing large vocabulary speech processing based on fixed-point arithmetic
PL1999999T3 (pl) * 2006-03-24 2012-07-31 Dolby Int Ab Generowanie downmixów przestrzennych na podstawie parametrycznych reprezentacji sygnałów wielokanałowych
US9048784B2 (en) * 2007-04-03 2015-06-02 General Motors Llc Method for data communication via a voice channel of a wireless communication network using continuous signal modulation
EP2128856A4 (en) * 2007-10-16 2011-11-02 Panasonic Corp DEVICE FOR PRODUCING A STREAM AND DECODING DEVICE AND CORRESPONDING METHOD
US8704186B2 (en) * 2009-11-17 2014-04-22 Lawrence Livermore National Security, Llc Active noise canceling system for mechanically cooled germanium radiation detectors
US20110188571A1 (en) * 2010-02-04 2011-08-04 Sony Corporation Recursive adaptive interpolation filters (raif)
KR101956284B1 (ko) * 2011-06-30 2019-03-08 엘지전자 주식회사 보간 방법 및 이를 이용한 예측 방법
ES2827278T3 (es) 2014-04-17 2021-05-20 Voiceage Corp Método, dispositivo y memoria no transitoria legible por ordenador para codificación y decodificación predictiva linealde señales sonoras en la transición entre tramas que tienen diferentes tasas de muestreo
EP3040852A1 (en) * 2014-12-31 2016-07-06 Nxp B.V. Scaling for block floating-point data
US20200210839A1 (en) * 2018-12-31 2020-07-02 Microsoft Technology Licensing, Llc Neural network activation compression with outlier block floating-point

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
US3619586A (en) * 1968-11-25 1971-11-09 Research Corp Universal digital filter for linear discrete systems
US3842250A (en) * 1973-08-29 1974-10-15 Sperry Rand Corp Circuit for implementing rounding in add/subtract logic networks
US4509150A (en) * 1980-12-31 1985-04-02 Mobil Oil Corporation Linear prediction coding for compressing of seismic data
FR2515901A1 (fr) * 1981-11-04 1983-05-06 Trt Telecom Radio Electr Systeme de transmission mic-differentiel avec prediction adaptative
NL8304214A (nl) * 1983-12-07 1985-07-01 Philips Nv Werkwijze voor het korrigeren van foute waarden van monsters van een equidistant bemonsterd signaal en inrichting voor het uitvoeren van de werkwijze.
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US5142656A (en) * 1989-01-27 1992-08-25 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
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Also Published As

Publication number Publication date
RU2123728C1 (ru) 1998-12-20
KR950702730A (ko) 1995-07-29
CN1113332C (zh) 2003-07-02
CA2137926A1 (en) 1994-11-10
DE69420221T2 (de) 2000-07-06
CN1131508C (zh) 2003-12-17
UA41892C2 (uk) 2001-10-15
US5657350A (en) 1997-08-12
UA41893C2 (uk) 2001-10-15
JPH08501891A (ja) 1996-02-27
EP0649557B1 (en) 1999-08-25
SG55188A1 (en) 2000-03-21
DE69420220T2 (de) 2000-07-06
WO1994025960A1 (en) 1994-11-10
US5751902A (en) 1998-05-12
KR950702731A (ko) 1995-07-29
KR100332850B1 (ko) 2002-10-18
DE69420221D1 (de) 1999-09-30
ES2138076T3 (es) 2000-01-01
HK1019284A1 (en) 2000-01-28
CN1109264A (zh) 1995-09-27
JP3509862B2 (ja) 2004-03-22
EP0649557A1 (en) 1995-04-26
CA2137926C (en) 2005-06-28
DE69420220D1 (de) 1999-09-30
EP0649558A1 (en) 1995-04-26
CA2137925A1 (en) 1994-11-10
ES2138077T3 (es) 2000-01-01
EP0649558B1 (en) 1999-08-25
CA2137925C (en) 2005-06-28
HK1012750A1 (en) 1999-08-06
WO1994025961A1 (en) 1994-11-10
JP3509861B2 (ja) 2004-03-22
RU2138030C1 (ru) 1999-09-20
KR100346963B1 (ko) 2002-11-13
JPH08501892A (ja) 1996-02-27
CN1109263A (zh) 1995-09-27
CN1516496A (zh) 2004-07-28

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Granted publication date: 20060412

Termination date: 20130502